Answer:
Option A.
Step-by-step explanation:
we know that
The combined area of the 3 windowpanes and frame is equal to
using a graphing tool to solve the quadratic equation
The solution is
see the attached figure
Answer: 196
Step-by-step explanation:
As per given , we have
Population standard deviation:
Significance level :
Using the z-value table , the critical z value for 98% confidence :
Margin of error : E= 01 lb
Sample size :
Simplify , we get
Hence, the minimum sample size required for books = 196
Answer:
Step-by-step explanation:
attached
Answer:
x=7 x=-5
Step-by-step explanation:
x^2 – 2x – 35 = 0
Factor
What 2 numbers multiply to -35 and add to -2
-7*5 = -35
-7+5 = -2
(x-7) (x+5) =0
Using the zero product property
x-7 =0 x+5=0
x-7+7=0+7 x+5-5=0-5
x=7 x=-5
Answer:
Kayla sold 90 boxes in total...
Step-by-step explanation: